Home / 64,479,206.40-96,718,809.60-60,784,051.20

Finding the Fourth Proportional to 64,479,206.40, 96,718,809.60 and 60,784,051.20

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Solution

The fourth proportional to 64,479,206.40, 96,718,809.60 and 60,784,051.20 is: 91,176,076.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,479,206.40 : 96,718,809.60 = 60,784,051.20 : x
  2. Step 2: Convert to fraction form
    64,479,206.40/96,718,809.60 = 60,784,051.20/x
  3. Step 3: Cross multiply
    64,479,206.40x = 96,718,809.60 × 60,784,051.20
  4. Step 4: Simplify right side
    64,479,206.40x = 5,878,961,074,729,451
  5. Step 5: Solve for x
    x = 5,878,961,074,729,451/64,479,206.40
  6. Step 6: Final answer
    x = 91,176,076.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.